Frances Arnold is the Linus Pauling professor of chemical engineering, bioengineering and biochemistry at Caltech. In 2018, she was awarded the Nobel Prize in Chemistry for pioneering directed evolution of enzymes. Arnold holds a BS in Mechanical and Aerospace Engineering from Princeton University and a PhD in Chemical Engineering from UC Berkeley. She is the co-inventor on over 50 US patents. In 2005, she co-founded Gevo, Inc. to make fuels and chemicals from renewable resources. In 2013, she cofounded Provivi, which is developing non-toxic alternatives to pesticides for crop protection.